Maya上のウィンドウを画面の中心に集める

kkMayaWindowMoveCenter.py

# -*- coding: utf-8 -*-
"""
参考サイト
python - PyQt4 center window on active screen - Stack Overflow
https://stackoverflow.com/questions/20243637/pyqt4-center-window-on-active-screen

getting all QT/PySide Windows - Google グループ
https://groups.google.com/forum/#!topic/python_inside_maya/q245Vh6W7uI
"""

try:
    from PySide2.QtWidgets import QApplication
except ImportError:
    from PySide.QtGui import QApplication

desktop       = QApplication.desktop()
activeScreen  = desktop.screenNumber(desktop.cursor().pos())
desktopCenter = desktop.screenGeometry(activeScreen).center()

topWindows = QApplication.topLevelWidgets()
for topWin in topWindows:
    # topWin.parent() がないとMayaのメインウィンドウまで取得してしまう
    if topWin.isWindow() and not topWin.isHidden() and topWin.parent():
        windowCenter = topWin.rect().center()
        topWin.move(desktopCenter - windowCenter)